Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828872 | Method and apparatus for the reactive vapor depositing of metal compounds | Albert Feuerstein, Klaus Hartig, Gerhard Kienel, Helmuth Lammermann, Wolfgang Zirkel | 1989-05-09 |
| 4815415 | Apparatus for producing coils from films of insulating material, conductively coated under vacuum | Albert Feuerstein, Helmut Eberhardt, Helmut Lammermann, Gerard Lobig | 1989-03-28 |